Invited Talks

  • The 65th International Symposium ELMAR-2023, Zadar, Croatia, 11-13 September, 2023.
    Keynote: "Effective Scheduling of Time-Critical Applications in Cloudy, Foggy and Misty Computing Environments - State of the Art and Research Challenges".

  • The 11th International Conference on Information Technology (ICIT 2023), Amman, Jordan, 9-10 August, 2023.
    Keynote: "Scheduling Applications with Time Constraints in Cloud, Fog and Mist Computing Platforms - Research Directions and Challenges".

  • The 10th International Conference on Future Internet of Things and Cloud (FiCloud'23), Marrakesh, Morocco, August 14-16, 2023.
    Keynote: "From Cloud to Fog and Mist Computing: Resource Allocation and Scheduling Issues".

  • IT Innovations and Knowledge Discovery (ITIKD, 2023), Ahlia University, Bahrain, March 8-9, 2023.
    Keynote: "Cloudy, Foggy and Misty Computing - Resource Allocation and Scheduling Perspectives".

  • 30th IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER 2023), Macao SAR, China, March 21st-24th, 2023.
    Invited Talk: "Scheduling Real-Time Applications in Cloud, Fog and Mist Computing Architectures - State of the Art and Research Challenges".

  • The International Conference on Computer and Applications ICCA'22 (Fourth Edition), Cairo-Egypt, December 20-22, 2022.
    Keynote: "Cloud/Fog/Mist Computing for Time-Critical Applications - Resource Allocation and Scheduling Challenges".

  • The 6th International Conference on Big Data and Internet of Things (BDIOT'22), Tangier, Morocco, November 25-26, 2022.
    Keynote: "Cloud, Fog and Mist Computing for Time-Sensitive Applications: Resource Allocation and Scheduling Perspectives".

  • The 63rd International Scientific Conference on Information Technology and Management Science of Riga Technical University (ITMS'2022), Riga, Latvia, 6-7 October 2022.
    Keynote: "Cloudy, Foggy and Misty Computing for Time-Critical Applications - State of the Art and Research Challenges".

  • 5th International Conference on Advanced Systems and Emergent Technologies, (IC_ASET), Hammamet-Tunisia, March 22-25, 2022.
    Keynote: "Fault-Tolerant Scheduling in Large Scale Real-Time Distributed Systems".

  • 10th International Scientific Conference COMPUTER SCIENCE (COMSCI 2022), 30 May - 2 June, Sofia, Bulgaria 2022.
    Keynote: "Scheduling Time-Critical Applications in Cloud, Fog and Mist Computing Environments - State of the Art and Research Challenges".

  • 27th IEEE Symposium on Computers and Communications (ISCC 2022), Rhodes Island, Greece, 30th June - 3rd July 2022
    Keynote: "Leveraging Cloud, Fog and Mist Computing for Time-Critical Applications: Resource Allocation and Scheduling Challenges".

  • International Symposium on Internet of Things within the 7th International Conference on Smart and Sustainable Technologies, SpliTech 2022, Bol and Split, Croatia, July 5-8, 2022.
    Keynote: "Scheduling Real-Time Applications in Cloud, Fog and Mist Environments - Research Trends and Challenges".

  • International Symposium INFOTEH-JAHORINA, Jahorina, RS, Bosnia and Herzegovina, 16-18 March, 2022.
    Keynote: "Scheduling Time-Critical Applications in Cloudy, Foggy and Misty Computing Environments"

  • 5th Conference on Cloud and Internet of Things, (CIoT 2022), Marrakech, Morocco, March 28-30, 2022.
    Keynote: "Cloud, Fog and Mist Computing - Resource Allocation and Scheduling Issues".

  • The International Conference on Cybersecurity, Cybercrimes, and Smart Emerging Technologies (CCSET2022), Riyadh, Saudi Arabia, 10-11 May, 2022.
    Keynote: "Resource Allocation and Scheduling Real-Time Applications in Cloud, Fog and Mist Computing Architectures - State of the Art and Research Challenges"

  • The 2022 IEEE 2nd Conference on Information Technology and Data Science, CITDS 2022, Debrecen, Hungary, 16-18 May, 2022.
    Keynote: "Scheduling Time-sensitive Applications in Cloud, Fog and Mist Computing Environments - Challenges and Future Directions".

  • 31st International Conference on Computer Theory and Applications (ICCTA 2021), 11th - 13th December 2021, Alexandria, Egypt.
    Keynote: "Collaboration of Cloud, Fog and Mist Computing for Real-Time Applications: Resource Allocation and Scheduling Challenges".

  • International Conference on Energy and Green Computing (ICEGC 2021), Meknes, Morocco, 9-10 December, 2021.
    Keynote: "Energy Efficiency in Cloud Computing Environments - Trends and Challenges".

  • 4th International Conference on Computing & Information Sciences (ICCIS 2021), November 29-30, 2021, Karachi, Pakistan.
    Keynote: "Resource Allocation and Scheduling in Cloud, Fog and Mist Architectures - Research Trends and Challenges".

  • 2021 IEEE Jordan International Joint Conference on Electrical Engineering and Information Technology (JEEIT 2021), Amman, Jordan, 16-18 November, 2021.
    Keynote: "Resource Allocation and Scheduling in Cloud and Fog Architectures - Challenges and Future Directions".

  • The International Conference on Information, Communication & Cybersecurity (ICI2C'21), Khouribga, Morocco, November 10-11, 2021.
    Keynote: "Resource Allocation and Scheduling Real-Time Applications in Cloud and Fog Architectures - Trends and Challenges".

  • The 7th IEEE International Conference on Cloud and Big Data Computing (CBDCom 2021), Calgary, Canada, October 25-28, 2021.
    Keynote: "Scheduling Real-Time Applications in the Cloud and in the Fog".

  • The 8th International Conference on Future Internet of Things and Cloud (FiCloud'21), Rome, Italy, August 23-25, 2021.
    Keynote: "Leveraging Cloud, Fog and Mist Computing for Real-Time Applications: A Resource Allocation and Scheduling Perspective".

  • The 15th IEEE International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS 2021), Nis, Serbia, October 20-22, 2021.
    Keynote: "Cloud, Fog and Mist Computing for Real-Time Applications Resource Allocation and Scheduling Issues".

  • The Fifth International Conference on Big Data and Internet of Things (BDIOT'21), Rabat, Morocco, March 17-18, 2021.
    Keynote: "Scheduling Real-Time Applications in Cloud and Fog Computing Environments - Research Trends and Challenges".

  • 7th Conference on the Engineering of Computer Based Systems (ECBS 2021), Novi Sad, Serbia, May 26-27, 2021.
    Keynote: "Large Scale Real-time Distributed Systems - Resource Allocation and Scheduling Issues".

  • The 2nd International Conference on Innovative Research in Applied Science, Engineering and Technology (IRASET'2022), Meknes, Morocco, March 3-4, 2022.
    Keynote: "Scheduling Approaches for Complex Real-Time Applications in the Clouds and in the Fog".

  • The Global Information Infrastructure Networking Symposium 2020 (GIIS'20), Tunis, Tunisia, October 28 - 30, 2020.
    Keynote: "Cloud - Fog Computing: Resource Allocation and Scheduling Challenges".

  • The International Computer Symposium (ICS 2020), Tainan, Taiwan, December 17-19, 2020.
    Keynote: "Cloud Computing and Beyond: Fog Computing - Scheduling Real-Time Applications".

  • International Conference on Innovation and Intelligence for Informatics, Computing, and Technologies (3ICT 2020), Bahrain, 20-21 December, 2020.
    Keynote: "From Cloud to Fog Computing - Scheduling Real-Time Applications".

  • International Conference on Communications, Computing, Cybersecurity, and Informatics 2020 (CCCI), Sharjah, UAE, November 3-5, 2020.
    Keynote: "Cloud - Fog Computing for Real-Time Applications".

  • Helen Karatza, 2020 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS 2020), Madrid, Spain, July 20-22, 2020.
    Keynote: "Cloud and Fog Computing for Real-Time Applications - Resource Allocation and Scheduling Issues".

  • The 11th International Conference on Information and Communication Systems (ICICS), Irbid, Jordan, 7-9 April, 2020.
    Keynote: "Resource Allocation and Scheduling of Real-Time Applications in the Cloud and in the Fog".

  • Helen Karatza, 2020 International Conference on Innovations in Intelligent SysTems and Applications (INISTA), Novi Sad, Serbia, Aug. 24-26, 2020.
    Keynote: "Scheduling Techniques for Real-Time Applications in the Cloud and in the Fog".

  • Helen Karatza, The 9th Mediterranean Conference on Embedded Computing, MECO'2020, Budva, Montenegro, June 8th-11th, 2020.
    Keynote: "Cloud vs Fog Computing - Scheduling Real-Time Applications".

  • Helen Karatza, 4nd International Conference on Electrical and Information Technologies, ICEIT 2020, Rabat-Sale, Morocco, 4-7 March, 2020.
    Keynote: "Scheduling Complex Real-Time Applications in the Cloud and in the Fog".

  • Helen Karatza, The 5th International Conference on Cloud Computing and Artificial Intelligence: Technologies and Applications (CloudTech'20), Marrakech, November 24 - 26, 2020.
    Keynote: "Cloud and Fog Computing, Resource Allocation and Scheduling of Complex Real-Time Applications".

  • Helen Karatza, 3rd International Conference on Information Technology and Electrical Engineering, (ITee'2019), El Jadida, Morocco, November 25-26, 2019.
    Keynote: "Scheduling Techniques for Complex Applications in Cloud Systems - Trends and Research Directions".

  • Helen Karatza, 22th International Conference on Distributed Computer and Communication Networks: Control, Computation, Communications (DCCN'2019), 23-27 September 2019, Moscow, Russia.
    Keynote:"Scheduling Complex Applications in Cloud Environments - Research Trends and Challenges".

  • Helen Karatza, 11th International Workshop on Data Analysis Methods for Software Systems (DAMSS2019), Druskininkai, Lithuania, November 28-30, 2019.
    Keynote:"Scheduling Complex Applications in Cloud Systems - Challenges and Research Directions".

  • Helen Karatza, The 12th International Conference on Internet and Distributed Computing Systems (IDCS2019), Napoli, Italy, 10-12 October, 2019.
    Keynote:"Scheduling Real-time Jobs in the Cloud - Research Trends and Challenges".

  • Helen Karatza, The 7th International Conference on Wireless Networks and Mobile Communications (WINCOM 2019), Fez, Morocco, October 29-November 01, 2019.
    Keynote:"Scheduling Complex Real-Time Applications in the Cloud - Trends and Challenges".

  • Helen Karatza, The 13th International Symposium on Intelligent Distributed Computing (IDC 2019), Saint-Petersburg, Russia, October 7-9, 2019.
    Keynote:"Scheduling Complex Applications in the Cloud - Challenges and Future Directions".

  • Helen Karatza, International Conference on Future Networks and Distributed Systems (ICFNDS 2019), Paris, France, 1-2 July, 2019.
    Keynote:"Scheduling real-time parallel jobs in the cloud".

  • Helen Karatza, ISADS 2019, the 14th IEEE International Symposium on Autonomous Decentralized Systems, Utrecht, The Netherlands, 8-10 April, 2019.
    Forum Talk:"Scheduling complex real-time applications in cloud environment with shared services and resources".

  • Helen Karatza, The 9th International Conference on Digital Information and Communication Technology and its Applications (DICTAP2019), Beirut, Lebanon, 3-5 April, 2019.
    Keynote:"Scheduling complex real-time jobs in the cloud".

  • Helen Karatza, CLOSER 2019, 9th International Conference on Cloud Computing and Services Science, Heraklion, Crete, Greece, 2-4 May, 2019.
    Keynote:"Clouds for Real-Time Applications - Scheduling Issues and Research Directions".

  • Helen Karatza, The ACS/IEEE International Conference on Computer Systems and Applications (AICCSA), 28 Oct. - 1 Nov. 2018, Aqaba, Jordan.
    Keynote:"Scheduling Data-Intensive Applications in the Cloud - Trends and Challenges".

  • Helen Karatza, CloudTech'18, The Fourth International Conference on Cloud Computing Technologies and Applications, November 26-28, 2018, Brussels, Belgium.
    Keynote:"Real-Time Clouds - Scheduling Issues and Challenges".

  • Helen Karatza, 2018 International Conference on Computer, Information and Telecommunication Systems (CITS 2018), Colmar, France, 11-13 July 2018.
    Keynote:"Scheduling Real-Time Applications in the Cloud - Challenges and Research Directions".

  • Helen Karatza, 5th International Symposium on Innovation in Information and Communication Technology (ISIICT 2018), Amman, Jordan, Oct. 31 - Nov. 01, 2018.
    Keynote:"Resource Allocation and Job Scheduling in the Cloud - Issues and Challenges".

  • Helen Karatza, ICMCS'18 - 6th International Conference on Multimedia Computing and Systems, Rabat - Morocco, May 10-12, 2018.
    Keynote:"Resource Allocation and Job Scheduling in the Cloud - Challenges and Research Directions".

  • Helen Karatza, CloudTech'17, Third International Conference of Cloud Computing Technologies and Applications, Rabat, Morocco, 24-26 October 2017.
    Keynote:"Scheduling Different Types of Applications in the Cloud".

  • Helen Karatza, 4th International Conference on Electrical, Electronic and Computing Engineering (IcETRAN 2017), Kladovo, Serbia, June 5 -8, 2017.
    Invited Talk:"Cloud Computing Challenges - Trends and Future Directions".

  • Helen Karatza, The International Symposium on Networks, Computers and Communications (ISNCC 2017), Marrakech, Morocco, 16-18 May 2017.
    Keynote:"Cloud Computing Challenges - Performance Perspective".

  • Helen Karatza, 3rd International Workshop on Energy-aware Simulation (ENERGY-SIM 2017, 23rd April 2017, L'Aquila, Italy, in conjunction with the 8th ACM International Conference on Performance Engineering (ACM ICPE) 2017.
    Keynote:"Energy Efficiency in Large Scale Distributed Systems - The Role of Simulation".

  • H.D. Karatza, "Performance of Large Scale Distributed Systems", Tutorial, PhD Program, Department of Informatics, Modeling, Electronics and Systems Engineering, University of Calabria, Rende, Italy, April 2017.

  • H.D. Karatza, "Performance Evaluation and Analysis of Large Scale Distributed Systems - Issues, Trends, Problems and Solutions", Seminar in Summer School on New Trends in Modeling and Simulation in HPC Systems, COST Action cHiPSet and co-organised by University Politehnica of Bucharest, Romania, September, 2016.

  • Helen Karatza, 4th edition of the IEEE Colloquium on Information Science and Technology, CIST 2016, Morocco, Tangier, 24-26 October 2016.
    Keynote:"The Role of Cloud Computing in Science and Enterprise-Issues, Problems and Solutions".

  • Helen Karatza, "The 13th International Conference on Economics of Grids, Clouds, Systems, and Services (GECON2016)", Athens, September 20-22, 2016.
    Keynote:"Cloud Computing - Resource Allocation and Scheduling Challenges".

  • Helen Karatza, 2016 Summer Simulation Multi-Conference (SummerSim'16), Montreal, Canada, July 24-27, 2016.
    Keynote:"Cloud Computing - Issues, Trends, Problems and Solutions".

  • Helen Karatza, CloudTech'16, Second International Conference of Cloud Computing Technologies and Applications, May 24-26, 2016, Marrakech-Morocco.
    Keynote:"Current and Future Trends in Cloud Computing - Problems and Solutions".

  • Helen Karatza, 2nd International Conference on Electrical and Information Technologies, ICEIT 2016, Tangier, Morocco, 4-7 May, 2016.
    Keynote:"Cloud Computing - Resource Management Challenges".

  • Helen Karatza, The 24th IEEE International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE), Larnaca, Cyprus, June 15-17, 2015.
    Keynote:"Enterprises in the Clouds - Current Trends and Future Directions".

  • Helen Karatza, Third World Conference on Complex Systems, WCCS15, Marrakech-Morocco, 23-25 November 2015.
    Keynote:"Cloud Computing - Current Trends and Future Directions".

  • Helen Karatza, 12th International Joint Conference on e-Business and Telecommunications, ICETE 2015, Colmar, Alsace, France, 20-22 July 2015.
    Keynote:"Cloud Computing - State-of-the-Art and Future Research Trends".

  • Helen Karatza, 10th International Joint Conference on Software Technologies - ICSOFT 2015, Colmar, Alsace, France, 20-22 July 2015.
    Keynote:"Cloud Computing - State-of-the-Art and Future Research Trends".

  • Helen Karatza, 5th International Conference on Simulation and Modeling Methodologies, Technologies and Applications (SIMULTECH), Colmar, Alsace, France, 21-23 July 2015.
    Keynote:"Cloud Computing - State-of-the-Art and Future Research Trends".

  • Helen Karatza, ICICS2015, the sixth International Conference on Information and Communication Systems, Amman, Jordan, April 7-9 2015.
    Keynote:"Performance of Clouds - State-of-the-Art and Future Research Directions".

  • Helen Karatza, "Performance of Grids and Clouds - State-of-the-Art and Future Research Directions", Invited Talk, University of Seville, Spain, September 2014.

  • Helen Karatza, 2014 International Conference on Computer, Information and Telecommunication Systems (CITS 2014), Jeju Island, South Korea, 7-9 July 2014.
    Keynote:"Performance of Grids and Clouds - State-of-the-Art and Future Research Directions".

  • Helen Karatza, "10th International Workshop on Enterprise & Organizational Modeling and Simulation (EOMAS 2014)", Thessaloniki, Greece, 16-17 June, 2014.
    Keynote:"Cloud Computing for Enterprises - Advanced Challenges and Research Trends".

  • Helen Karatza, "Performance of Grids and Clouds - Advanced Challenges and Research Trends", Invited Talk, Arizona State University, School of Computing, Informatics, Decision Systems Engineering, May 2014.

  • Helen Karatza, "2nd IEEE Jordan Conference on Applied Electrical Engineering & Computing Technologies, AEECT 2013", Jordan University, Amman, Jordan, 3 - 5 Dec, 2013.
    Keynote: "Performance of Grids and Clouds - Advanced Challenges and Research Trends"

  • Helen Karatza, "2nd International Conference on Cloud Computing and Services Science" (CLOSER - 2012), Porto, Portugal, April 18-21, 2012.
    Keynote: "Performance of Clouds - Issues and Research Directions"

  • SummerSim'11, Hague, Netherlands, June 27-30, 2011.
    Keynote: "Performance of Grids and Clouds - Challenges and Research Directions".

  • Helen Karatza, "Performance of Scheduling Strategies in Computational Grids and Clouds", (Invited Presentation), Workshop on High Performance Computing on Complex Environments (HPCCE), in conjunction with IEEE CLUSTER 2010, Heraklion, Crete, 20-24 Sept. 2010.

  • H.D. Karatza, "Scheduling Policies for Distributed Systems", Seminar Series at the Department of Computer Science and Information Systems at Birkbeck, University of London, February 2010.

  • 4th International Conference on Complex, Intelligent and Software Intensive Systems (CISIS-2010), February, 15th - 18th 2010, Krakow, Poland.
    Keynote: "Scheduling in Grid Systems".

  • International Conference on Intelligent Networking and Collaborative Systems (INCoS 2009), 4-6 Nov. 2009, Barcelona, Spain.
    Keynote: "Collaborative Scheduling in Distributed Systems".

  • European Modelling Symposium (EMS2009), 3rd UKSim European Symposium on Computer Modelling and Simulation, 25-27 Nov. 2009, Athens, Greece.
    Keynote: "Distributed Systems Scheduling".

  • "Scheduling in Distributed Real-Time Systems Utilizing Imprecise Computations", CS Colloquium Series @ UCY, University of Cyprus, May 2009.

  • H.D. Karatza, "Modeling and Simulation for Performance Evaluation of Software Intensive Systems ", Beyond-the-Horizon Workshop on Software Intensive Systems (ERCIM - FET), Koblenz, Germany, 9-10 September 2005.

  • H.D. Karatza, "Simulation Modelling and Performance Analysis of Scheduling Strategies in Distributed Systems", Seminar: Scheduling for Parallel Architectures: Theory, Applications, Challenges, Schloss Dagstuhl, Germany, 6-11 March, 2005.

  • Helen Karatza, "Performance Analysis of Scheduling Strategies in Distributed Systems", Carnegie Mellon University Workshop on Multiserver Scheduling (WORMS), April 2004, Pittsburgh, PA, (USA).